<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>无效操作</title>
    <link type="text/css" rel="stylesheet" href="css/index.css"/>
    <style>
        .title{
            font-size: 5vw;
        }
    </style>
<body>
<h1 class="title">已失效，请重试！</h1>
</body>
</html>